2101082439906 has 48 divisors (see below), whose sum is σ = 4557526703808. Its totient is φ = 699564146400.

The previous prime is 2101082439901. The next prime is 2101082439923. The reversal of 2101082439906 is 6099342801012.

2101082439906 is a `hidden beast` number, since 21 + 0 + 108 + 2 + 439 + 90 + 6 = 666.

It is a super-3 number, since 3×2101082439906³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2101082439901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58490091 + ... + 58526001.

It is an arithmetic number, because the mean of its divisors is an integer number (94948472996).

Almost surely, 2^{2101082439906} is an apocalyptic number.

2101082439906 is an abundant number, since it is smaller than the sum of its proper divisors (2456444263902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101082439906 is a wasteful number, since it uses less digits than its factorization.

2101082439906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39527 (or 39524 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 2101082439906 in words is "two trillion, one hundred one billion, eighty-two million, four hundred thirty-nine thousand, nine hundred six".